Alm, A.A., (1977), "Successful Establishment of Red Pine Tubelings in Minnesota", Minnesota Forestry Research Notes 260, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Scientific Journal Paper Series No. 1648 of the Minnesota Agricultural Experiment Station.
Successful Establishment of Red Pine Tubelings in Minnesota.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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